Abstract:<p>A feasibility study has been performed by Dr. Techn. Olav Olsen, Reinertsen, Norconsult and the Norwegian Public Road Administration (NPRA) for a Submerged Floating Tube Bridge (SFTB) crossing the Bjørnafjord strait. Design of flexible floating structures with lengths above 5 kilometers has previously not been developed to a detailed level. This article will discuss the approach the design team used to achieve a solution that was robust, reliable and economically viable for a SFTB for crossing the Bjø… Show more
<p>This paper outlines aspects of the work completed as part of a feasibility study on behalf of the Philippines Government for a permanent crossing between Sorsogan and Samar islands. An optioneering exercise identified the possibility of a Submerged Floating Tunnel (SFT) to be designed as the permanent crossing. The relatively high speed and the bidirectional current in this location required an iterative series of sensitivity tests for a net buoyant SFT solution. These sensitivity tests are defined and explained, and their results are presented for future SFT designs in high currents.</p>
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